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DR. ADRIENNE GRZENDA M.D., PH.D
NPI 1043604754
Psychiatry & Neurology - Psychiatry in Sylmar, CA

Active since March 20, 2015PECOS Enrolled
14659 OLIVE VIEW DR, SYLMAR, CA 91342(818) 485-0888 Get Directions Write a Review

NPPES record last updated: January 26, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 26, 2022, Jul 6, 2017 (2 updates tracked since 2017).

About Dr. Adrienne Grzenda M.d., Ph.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ADRIENNE GRZENDA M.D., PH.D (NPI 1043604754) is an individual psychiatry provider in Sylmar, California, licensed in California (A146893) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043604754
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ADRIENNE GRZENDACredential: M.D., PH.D
Location Address14659 OLIVE VIEW DRSylmar, CA 91342-1652
Mailing Address14659 Olive View DrSylmar, CA 91342-1652 · (818) 485-0888
Phone(818) 485-0888
Sole ProprietorYes
Enumeration DateMarch 20, 2015
Last NPPES UpdateJanuary 26, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2022
✔ NPI 1043604754 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A146893
Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

14659 OLIVE VIEW DR, Sylmar, CA 91342
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Adrienne Grzenda M.d., Ph.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91342 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALELI FRANCESCA PAEZ
Nurse Practitioner (Psychiatric/Mental Health)
14659 OLIVE VIEW DR
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
EVELYN GEOVANA ROGEL
Student in an Organized Health Care Education/Training Program
14659 OLIVE VIEW DR
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
TINH LUONG M.D., PH.D.
Psychiatry & Neurology (Psychiatry)
14659 OLIVE VIEW DR, OLIVE VIEW COMMUNITY URGENT CARE CENTER
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
STACY HOWARD PRINDLE R.N.
Registered Nurse (Psychiatric/Mental Health, Adult)
14659 OLIVE VIEW DR
SYLMAR, CA 91342
Los Angeles County (818) 485-0868
JOSHUA LOPEZ
Licensed Vocational Nurse
14659 OLIVE VIEW DR
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
MARIA ASSAD
Licensed Psychiatric Technician
14659 OLIVE VIEW DR
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
KWAME AMOAKO
Nurse's Aide
14659 OLIVE VIEW DR
SYLMAR, CA 91342
Los Angeles County (818) 485-0867
YVONNE O NIBO
Student in an Organized Health Care Education/Training Program
14659 OLIVE VIEW DR
SYLMAR, CA 91342
Los Angeles County (818) 485-0888

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adrienne Grzenda's NPI number?

The NPI number for Adrienne Grzenda is 1043604754. It was assigned to this individual provider in the NPPES registry on March 20, 2015.

Where is Adrienne Grzenda located?

Adrienne Grzenda practices at 14659 Olive View Dr, Sylmar, CA 91342. The listed phone number is (818) 485-0888.

What is Adrienne Grzenda's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Adrienne Grzenda enrolled in Medicare?

Yes. Adrienne Grzenda is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Adrienne Grzenda was last updated on January 26, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.